Update app.py

app.py

@@ -228,66 +228,100 @@ st.markdown("""
     border: 1px solid #f5c2c7;
 }
 
-/* Chat input styling like mockup */
+/* Chat input styling - Fixed alignment */
 .stChatInput {
-    border-radius: 8px;
-    border: 1px solid #d1d5db;
-    background: #ffffff;
-    padding: 0.75rem 1rem;
-    font-size: 1rem;
+    border-radius: 12px !important;
+    border: 2px solid #e5e7eb !important;
+    background: #ffffff !important;
+    padding: 0.75rem 1rem !important;
+    font-size: 1rem !important;
     width: 100% !important;
     max-width: none !important;
+    margin: 0 !important;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
+    transition: all 0.2s ease !important;
 }
 
 .stChatInput:focus {
-    border-color: #3b82f6;
-    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
+    border-color: #3b82f6 !important;
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
+    outline: none !important;
 }
 
-/* Button */
-.stButton > button {
-    background-color: #0d6efd;
-    color: white;
-    border-radius: 6px;
-    padding: 0.5rem 1.25rem;
-    border: none;
-    font-weight: 600;
-    transition: background-color 0.2s ease;
+/* Chat input container */
+.stChatInput > div {
+    padding: 0 !important;
+    margin: 0 !important;
 }
 
-.stButton > button:hover {
-    background-color: #0b5ed7;
+/* Chat input text area */
+.stChatInput textarea {
+    border: none !important;
+    background: transparent !important;
+    padding: 0 !important;
+    margin: 0 !important;
+    font-size: 1rem !important;
+    line-height: 1.5 !important;
+    resize: none !important;
+    outline: none !important;
 }
 
-/* Sidebar button styling - smaller, left-aligned */
-[data-testid="stSidebar"] .stButton > button {
-    background-color: #f8fafc;
-    color: #475569;
-    border: 1px solid #e2e8f0;
-    padding: 0.375rem 0.75rem;
-    font-size: 0.65rem;
-    font-weight: normal;
-    text-align: left;
-    white-space: normal;
-    height: auto;
-    line-height: 1.2;
-    transition: all 0.2s ease;
-    cursor: pointer;
-    margin-bottom: 0.25rem;
-    width: 100%;
-    display: flex;
-    justify-content: flex-start;
+/* Chat input placeholder */
+.stChatInput textarea::placeholder {
+    color: #9ca3af !important;
+    font-style: normal !important;
+}
+
+/* Fix the main chat input container alignment */
+[data-testid="stChatInput"] {
+    position: fixed !important;
+    bottom: 0 !important;
+    left: 0 !important;
+    right: 0 !important;
+    background: #ffffff !important;
+    border-top: 1px solid #e5e7eb !important;
+    padding: 1rem !important;
+    z-index: 1000 !important;
+    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
+}
+
+/* Adjust main content to account for fixed chat input */
+.main .block-container {
+    padding-bottom: 100px !important;
+}
+
+/* Alternative: If you prefer inline chat input (not fixed) */
+/*
+[data-testid="stChatInput"] {
+    background: #f8fafc !important;
+    border: 1px solid #e2e8f0 !important;
+    border-radius: 12px !important;
+    padding: 0.75rem !important;
+    margin: 1rem 0 !important;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05) !important;
+}
+*/
+
+/* Chat input button styling */
+[data-testid="stChatInput"] button {
+    background: #3b82f6 !important;
+    color: white !important;
+    border: none !important;
+    border-radius: 8px !important;
+    padding: 0.5rem 1rem !important;
+    font-weight: 600 !important;
+    transition: background-color 0.2s ease !important;
 }
 
-[data-testid="stSidebar"] .stButton > button:hover {
-    background-color: #e0f2fe;
-    border-color: #0ea5e9;
-    color: #0c4a6e;
+[data-testid="stChatInput"] button:hover {
+    background: #2563eb !important;
 }
 
-[data-testid="stSidebar"] .stButton > button:active {
-    transform: translateY(0);
-    box-shadow: none;
+/* Ensure proper spacing from sidebar */
+@media (min-width: 768px) {
+    [data-testid="stChatInput"] {
+        margin-left: 21rem !important; /* Account for sidebar width */
+    }
 }
 
 /* Code container styling */